I have to admit I thought this was a joke when i first came across it, but it appears not, they have been prominent on the UKRSA website. One difference with this brand is that only certified stringers can purchase the string. One reason I guess for ensuring your...
Strings may be the soul of racquet, but to many players they are just an afterthought. Players will spend 6 months trying out racquets and 6 minutes choosing a string.