Originally Posted by
DucatiTorrey
Certainly there has to be some clever people out there putting things on the frame where the bottle cage normally goes. Sure there are a lot of bottle openers (which is ironic, where does your bottle go?) but has anyone seen other, weird, handy, clever accessories mounted to those two or four little screws?
I'll start with the easiest. beer bottle opener

Friend of mine who lives out in the country has had problems with dogs. One of his water bottle holders has a big honker "crowd control" pepper spray canister he got off of some law enforcement officer supply website.
Said it works great, but you just have to be careful not to let it blow back in your face.
Don in Austin