It should be OK. I've had my hammers, torches, etc.. knocked over numerous times by snails, hermits, my sea cucumber, etc.. and as long as they aren't laying on the sand too long, they usually bounce right back. That is if you get them off the sand and back upright within a day.... if they lay on the sand too long though, like more than a day or so, you could have some tissue dieback in that area.