The Arri S-2 shoulder set is specifically designed for the Arri 535 35mm film camera – its attached pad fits right under the magazines and allows for the most comfort and ease of use. The dovetail interface provides a fast exchange between tripod and handheld configuration. Optional handgrip extensions are also available.
https://www.bhphotovideo.com/c/product/1288654-REG/arri_k2_46450_0_shoulder_set_s_2_for.html
