Quote Originally Posted by papa_g View Post
bought some cones from joann fabrics and honestly it was such a waste of money and time. They were brittle and had absolutely no flex to them. Tennis balls works better in my opinion as you can squeeze them into a tight space. Added one and a half more tennis balls to my deck and took away some the remaining deeper rattles.
My foam cones have worked well for me, but I'm sure over time they'll compress and need to be replaced or use a different object like a tennis ball.