Based on this product's specifications, here are some alternatives and similar models
Ankle Strap/Strap Puller HMS size L (SS1525) by HMS – model 17-24-070
Summary description:
Ankle strap HMS (SS1525), size L, model 17-24-070 — a wearable accessory designed for ankle attachment during strength and cable machine exercises. Provides secure fastening for pulley work, rehabilitation or targeted lower-limb training. Constructed for repeated use and compatibility with typical gym carabiners and cable attachments. Intended for use in fitness, physiotherapy, and home workouts.