stewart...
i used a strong nylon type cord...
i found laces fray after a while....depends if you put
eyelets in or not.... with or without both work fine....
but your cord must be strong, as believe it or not...the sock takes massive stress when jumping....
ps did you say the T word
TAPE...TAPE...TAPE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Noooooooooooooooooooooooooooooooo lol