Hi - I'm reallt new to 1/8 scale buggies (though i did own a Mardave Marauder back in the day...) - Was just about to glue my tyres pro-line knuckles 2 - when i read the instruction card than comes with them - it mentions punching 2 holes - one each end of the tyre - presumably this is to let water/dampness out? - Should i bother or not??