Well I went on my outing to the hardware store. I was way over my head in a big store that I never go in without my husband. So I ask 4 employees in Rona vests where I might find a test cap. They asked what they were used for and I had no idea!! and I certainly wasn't going to tell them "It's to cover my stoma(then explain that). SDo I wondered oh...15 isles of the store and didn't find what might work. Finally when I was just ready to leave I asked a guy who looked like a manager and he knew what I was talking about and sent me to the plumbing department. So the guy showed me the tests ends and I was at a loss, except a polite thank-you. Then I looked at the whole area and found something I think will work.
I have to cut it because it was too deep, but hope it helps protect it from bumps and waistbands.