Sounds like since this is a fairly serious safety issue, Horizon would want to get all of the old grips that may fail out of circulation, thus the free shipping label, so as to encourage people to return them.

I'm not speaking on Horizon's behalf, just my thinking on it....

I can see though, that you'd be reluctant to send a good set of blade grips back...they might make a good backup, like you mentioned...but do you really want to take a chance that a blade may fly off unexpectedly and injure yourself or someone else..?[X(]

Just something to think about....

Glenn