rubber

Hi.. I have a Canon 5d which I haven't used for a year or two, but got it out recently and found that the rubberised coating around the top dial is coming off and is a bit sticky when I touch it. I've heard of this before but does anyone know if there's a way to stop it. I've tried cleaning it...

Hello, I am about to sell my faithful Canon 600d but need to attend to it's peeling rubber rubber issues first. The whole lot around the HDMI input is currently loose and flapping about. I have tried double sided tape but had no luck. I'm thinking of modelling cement (for plastic models) but...