Adhesive on open wounds is generally a bad idea, yes. You could use tape to hold the bandage down, but the hooks are multi-use, comparatively.

[He gestures for her in the affirmative; yes, she can have the supplies she needs to make a kit. There wouldn't be a point in teaching her these tips and tricks and then telling her to go scrounge up supplies on her own.

Anyway, as he crouches down to observe her bandaging skills, Rio's tail thumps gleefully at more attention. She's loving it, she did great, oh!! Treats for Rio??]

Well, look at that; you did well, too. Hang on, let me get something for Rio real quick—

[It's apple slices, he's got a little baggie sitting aside here for her to enjoy the crunch.]