Quote Originally Posted by Neil Brooks View Post
I give up.

I've been thinking about this, and then ... looking into it on various websites, and ... still cannot come up with a single reason NOT to stick the o-rings on the shank of the bit, as is my practice.

Why do you think it's a bad idea ?

It's advocated in several places, including ....

http://www.routertips.com/index.htm



Quote - Be sure to remove the band prior to routing, as any heat build-up could melt it to the bit's shaft.
This is quoted from the link you provided.