Hello everyone. I’m fairly new to the bass clarinet. I’m having trouble with breaking off and losing a tiny bumper-like part that is on the low Eb bell key of my Backun bass clarinet. It’s needed so that the key pad covers the hole on the bell. Photo is attached. Hope it’s clear enough. Can someone tell me the name of this tiny but essential part? It comes off very easily unfortunately and my local technician has replaced it once. I’d like to order a supply of them as it seems I’ll need them! Thank you.
