Quote Originally Posted by daniel1983
I had some unprotected flexwatt that was showing wear marks and I had read of it taking abuse so I put the tin in. The flexwatt that I noticed the wear marks on was around 1.5 years old and had a tub sliding across it at least 2 times a day. I don't see how putting the tin there could have hurt anything.....and now I have no worry about a spot wearing thin......I am all about less worry

EDIT: The tubs in that rack also fit rather 'snug' so their was a bit more pressure exerted on the flex than with my current setup too.
I have an 1/8" clearance on my adult racks, thats why I probably haven't noticed any rubbing.