IS there a "Lace-dangle-preventor" that works 100% of the time? never pops off, even in some of the toughest crashes and only comes off when you want it? i want to think not, but i definitely can't brag about how many different boots i have tried.
but ass for preventing the laces going under the boot... i shortened my D2 boot laces. I found they were longer then necessary. I loosened up the boot as far as it would go (speaking of how wide the tongue would open and not the lace length) then cut off the excess lace. in otherwords, there was more lace then needed to loosen the boot all the way..... maybe your watsons are the same. (i used to tuck in the laces, but it is kinda uncomfortable)