Check the listing for details. Vintage Draft Sliding Gagg Bit Home Made Antique Horse Harness Buggy Bits 10767. Condition: Used. Listed at 76.46 USD. Vintage iron and copper home made draft sliding gagg bit. Approximate Measurements It measures 15 3/4" x 3 1/4" wide. 1.5# Markings None Condition Good condition for its age. It has some minor surface rust, see pictures. See description above for further info on the condition. Inventory Number 10767 6214.