I've been using the MR33/Muchmore glue for quite some time and it is my favourite tyre glue, but the heatshrink/nozzle system is not to my liking. I'd recommend the plastic spot nozzles by Ride (RI-RP-201 at Tonisport, #208 on Ride's website) available at Tonisport. I don't know who distributes Ride in the UK, but maybe another manufacturer offers similar items.
