DIY Bench Dog Clamps - cheap and easy to make - YouTube
Adjustable Workbench Bench Dog Screw Clamp, Fits 3/4“ Dog Holes, Full — Taylor Toolworks
DDWT Adjustable Workbench Bench Dog Screw Clamp Fits 3/4 Inch Dog Holes Stainless Steel Brass Adjustable Stop for Woodworking (19mm) - Amazon.com
VIEWREAL Dog Hole Clamp 3/4" Aluminum Bench Dog Clamp, 2 Pack Compact & Easy-to-Use Holdfast Clamps, Anti-Twist for Workbenches with 19mm Holes,Hold Down Clamps for Woodworkers & Hobbyists - Amazon.com
Woodworking Bench Dog Clamp 19mm/20mm Dog Hole Adjustable w/8mm Ratchet Wrench | eBay
2Pcs Bench Dog Clamp, 3/4Inch Dog Hole Clamp with 4Pcs Bench Dog 19mm - Walmart.com
BenchLock™ - Milescraft
POWERTEC 71530-P2 Workbench Holdfast Clamp for Woodworking, Adjustable Hold Down Clamping, Bench Dog Clamp for 3/4 Inch (19mm) Dog Hole MFT Table, 2 Pack - Amazon.com