The Severed Hand is a mysterious item in RE9 that can be added to your inventory but is not immediately apparently useful.

There are five locked safes found throughout Grace's sections of Resident Evil Requiem, each of which contain valuable ...

The aim of this work was to isolate and purify bromelain extracted from the pineapple peel by ammonium sulfate precipitation (40-80%), followed by desalting and freeze-drying with a 75% activity ...