Otter do a self stick kit which I have used in the past. Sticks like buggery. Make sure you clean the suit with Toluene first though.
www.aquastuff.co.uk
Plus put them on the outside of your thighs or else when you haul your arse over the RIB tubes they get in the way.
Ideally get the velcro bellows pocket. They don't come with an internal D ring so tiewrap one to the inside before sticking it on.