Originally Posted by
joejack951
None. Use, first and foremost, some eye and hand protection, plus a pick or screwdriver for removal.
The best way is to use a folded rag held against the end of the axle, both as hand protection, and to trap the ring when it jumps. If you don't trap them, these spring rings can jump high and fast. If you let it loose you'll be looking all over for it.