harness model inspired by real draft harnesses for horses, consisting of a piece of leather on the upper torso and straps covering the lower torso and the upper or lower abdomen

the lower straps of the harness can also accommodate loops for thigh cuffs with extra straps (like the 4th pic)

measurements needed for this harness : chest, waist, abdomen (size chart on 5th pic)
optionnal measurements if you add the belt and thighs cuffs : hips and upper thigh

Approximative deadline : 3 month 

pics credit : andrewfoxcrafts