Adjustable Leather Stitching Pony Clamp With 360 Degree Swivel Leather Lined Jaws Hands Free Saddle Stitch Vice For Belts Bags Wallets. Hands free leather sewing made easy. The wooden stitching pony with leather lined jaws holds work securely without clamp marks while the 360° swivel and adjustable stretch bar let you set the perfect angle for fast accurate saddle stitching.