A new silicone accessory for Kindle users has gained popularity, offering a more ergonomic grip and customizable placement. Strapsicle, a competitor to PopSockets, provides added security and flexibility, according to reviews.

Source: https://www.zdnet.com/article/this-silicone-accessory-nearly-glues-my-kindle-to-my-hand-and-its-better-than-a-popsocket/