[troubletb]

I taught my Bell to ring the "Bell" Or actually Bell taught herself. My Vet told me to do it. I just used a regular Bell one of the very cheap bells, actually it was from my step sons wedding, it was on the favor. Anyway I hung it from the sliding glass door with a string and I would ring it every time I opened the door and after about few months I figured this isn't working and I never bothered with it,but then my dog (Bell) started hitting it and it was working for a long time until just recently she has started to just pee and not let us know she needs to go out! Hope this helps!