When I was a child I put a balloon pump somewhere sensitive and ended up hurting myself.
Yikes! In what way did you hurt yourself?
I felt pain both mentally and physically
While it's understandable that people can be curious about their bodies, it isn't right to shove random objects up one's anus as it can cause physical injury. If you still have a desire to place objects there, you should use safer ones such as silicone sex toys that are both more hygienic and pose far less of a risk for injury.
Like I care
All I'm saying is you'll have less problems if you don't put stuff up there that doesn't belong.