Hello,
Does anyone know if this product https://www.amazon.co.uk/Tumbl-Trak-Shoulder-Trainer-Padded/dp/B006FF9YRY/ref=sr_1_1?ie=UTF8&qid=1484910117&sr=8-1&keywords=open+shoulder+trainer fits an adult ?
I don't have easy access to stall bars so for the hanging leg raises and windshield wiper progressions in SL and MN, I think this could work to prevent the closing of the shoulder angle much like the stall bar does like in this: https://www.instagram.com/p/BO7HvaWFx2M/