| Project by Mark A. DeCou | posted 521 days ago | 1012 views | 0 times favorited | 2 comments | ![]() |
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This item is a Hat Making Tool that I designed and built.
Specifications:
Maple & Walnut Wood
Counter Clockwise Cutting Direction
Brass Adjustable Crown Shoe
Brass Under-Plate
Cutting Capacity: 1.25” – 8.0”
Abalone Shell Inlay
- Maple Deluxe, Counter Clockwise, Rounding Jack, “SOLD”
- Maple Deluxe Clockwise Rounding Jack, “SOLD”
- Walnut Deluxe Counter Clockwise Rounding Jack, (email me)
- Walnut Deluxe Clockwise Rounding Jack, (email me)
- Walnut Bench-Top Display Stand, click here to buy this item
- Oak Bench-Top Display Stand, click here to buy this item
Email me for more information at:
mark@decoustudio.com
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Project Story:
Rounding Jacks are used to cut the brim felt to size on fedora, western hats, cowboy hats, and several other styles. The brass adjustable curve on the front is placed against the crown, and then the cutter is moved in a rotation around the hat, keep the pressure against the crown. Setting the blade to the proper size is done by adjusting the cutter to the desired cut size, and then tightening the brass knurled knobs.
Display Stand: The display stand is designed to sit on the hatmaker’s work bench and hold the cutter when it is not being used. The retractable blade can remain extended this way between uses. This particular stand shown in the photos is Black Walnut. This display stand is meant to make the whole project look like a functional-art sculpture, while it serves it’s functional purpose of the Rounding Jack safely.
To make the cut. The blade guard knurled nut is loosened, the blade dropped down and the nut retightened. The slider nuts are loosened and the desired cut width is indicated by the pointer, and the slider nuts are tightened. The hat is placed on a wood crown block to give a firm resistance to the pressure being applied with the cutter, and the brim is placed between the bottom brass plate and the bottom of the cutter. Then, depending on whether the hatmaker is a Clockwise, or a Counterclockwise cutter, the Rounding Jack is slowly moved around the contour of the crown while pushing the cutter toward the center (head). Felt Hat Blanks are very expensive, so after the cutting is complete, a big sigh of relief is heard from the hatmaker.

The Adjustable Brass Crown Band on the front of the cutter is used when the brim is to be cut wider on the sides, than on the front and back. By adjusting the curve of the brass band, the cutter is pushed away farther on the wider curve of the crown sides.
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Here is a Slideshow with more of my Rounding Jacks Shown
Click the “Speaker” icon for music
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Artisan Hat Tools by Mark DeCou Studio
(Do you want to see More? Just follow these links):
NOTE:
ALL HAT MAKING ITEMS THAT I HAVE IN STOCK
ARE LISTED IN MY ETSY.COM ONLINE SHOP, click here to check inventory
- Ebonized Walnut Clockwise with Laser Engraving
- Walnut Counter Clockwise w/Laser Engraving
- Walnut Uni-Directional Cutter
- Maple Deluxe Model, Counter Clockwise Cutter
- Maple Deluxe Model, Clockwise Cutter
- Walnut Deluxe, Counter Clockwise Cutter
- Walnut Deluxe, Clockwise Cutter
- Walnut Hobbyist-Hatter Model, Counter Clockwise Cutter
- Walnut Hobbyist-Hatter Model, Clockwise Cutter
- Spradley Hats in Apline, TX
- Rachel Pollock of La Bricoleuse
- Brainpan Hat Shop in Sumner, WA
- Steve Delk's Adventurebilt Hat Co.
- Marc Kitter's Adventurebilt Hat Co.
- Pyrate Trading Co.
- Hatman Jack at Wichita Hat Works
- Inaaya Hat Co.
- Penman Hat Co.
- Complete Restoration of a Maillard Conformateur and Formillon
- New DeCou Formillion & Conformer, Prototypes #1 & 2
- Custom Designed Conformateur Carrying & Storage Case
- New Plot Base Board for the Maillard Allie Formillon
- Maple Wrench for Tightening Formillon Thumbnuts
- Left-Handed & Right-Handed Foot Tolliker
- Foot Tolliker: Elk Antler & Birch Wood, on a Display Stand
- Foot Tolliker: Walnut Wood, on a Display Stand
- Foot Tollikers: Three in White Birch Wood
- Foot Tollikers: Walnut Wood Set of Four
- Foot Tollikers, Birch Wood Double Set, on Display Stand
- Hinge-Shackle Curling Tool for the Homburg Hat
- Full Circle Shackle Curling Tool
- Half Circle Shacking Curling Tool
- Groove Tolliker Curing Tool
- “Coming Soon”, please check back.
My Website with other woodworking, including furniture, walking canes, scrimshaw artwork, custom knives, and other misc. items
(Note:This project story, project design, and photos are protected by copyright in 2008-2009 by the Author, M.A.DeCou., all rights reserved, no use allowed without expressed written permission.)
-- Mark DeCou - American Contemporary Craft Artisan - www.decoustudio.com




































2 comments so far
darryl
home | projects | blog
1392 posts in 1217 days
posted 521 days ago
as it’s expected, it’s a great looking cutter and fantastic post.
best of luck in a quick sale!
-- www.darrylmasterson.com ~ www.darrylmasterson.etsy.com
Roger Strautman
home | projects | blog
534 posts in 1024 days
posted 521 days ago
OK, I have to say it, this would look really great with chip carving on it. Another nice piece of artwork!
-- " All Things At First Appear Difficult"