Originally Posted by KirbyM
Moongels are expensive and they move around. If you hit one them, it's usually ruined. Most drum companies have stopped offering internal mufflers. Ludwig drums can still be ordered with the mufflers(Tone Control) as an option or you can buy just the muffler itself. The normal cost is around $20 each. The Ludwig mufflers tend to rattle a bit and can be annoying in the studio. I have fixed this problem with everything from duct tape to silicone gel.
indeed they are expensive, but Ive never had one move and never ruined one (and Ive hit them countless times) Curious as to how they move and why/how you could ruin them>?