A snug posture collar makes the position a bit more stringent (X-Post /r/BondageGIFS_HighRES)
gfycat.com category @VeryTied
Sharon Clark showcasing her excellent posture and posterior, 1970
imgur.com category @SureFineTomato
![Warm room, comfy bed, proper posture...i hope he is pleased. [the-kiss-of-iron]](/preview/0/64/649755.jpg)
Warm room, comfy bed, proper posture...i hope he is pleased. [the-kiss-of-iron]
tumblr.com category @havoc_bot
![Sir was away but he made sure i kept up with my training. of course riding his hard cock is the best form of exercise and he made sure i held my pose long enough to make my muscles strain and teach me the correct posture and position [ruthrainer]](/preview/0/64/649823.jpg)
tumblr.com category @havoc_bot
![Perfect posture as well [sensualhumiliation]](/preview/0/64/649894.jpg)
![What a picture, and what a posture! [l1ght-the-fuse]](/preview/0/64/649954.jpg)
![I didn't appreciate how big a problem posture is. [denofmasterh]](/preview/0/65/650337.jpg)
Chastity belt, elbow tie, posture collar, and ball gag. That oughta do it.
imgur.com category @Louis_P_Reed
