I ordered a pair of holdfasts today off of ebay. Not sure if anyone else is interested or not but here's the page. Good price if they work. 40 for the pair and free shipping.
http://www.ebay.com/itm/Blacksmith-Hand-Forged-HoldFast-Pairs-FREE-SHIPPING-/201226184339?pt=LH_DefaultDomain_0&hash=item2eda03e693
http://www.ebay.com/itm/Blacksmith-Hand-Forged-HoldFast-Pairs-FREE-SHIPPING-/201226184339?pt=LH_DefaultDomain_0&hash=item2eda03e693