I would consider this a promotion or advertisement, albeit a weak one, moreso than spam. The product itself was mentioned in a post some time ago by an active member.
Spam advertisements are posted willy-nilly on any open message board. It's typically posted by spambots, which Jim and I handle every day without any of you being the wiser.
While the biggest offenders are pharmaceuticals and porn, spambots are also used to market sneaker sales, golf products, knock-off purses and a myriad of other items. Again, on any forum or open comment box it can locate.
This is clearly a product being marketed to figure skaters. It was in the wrong forum (since moved) and I thank those who contributed their opinions about the usefulness of the product itself. Never having had lace bite, I wouldn't know if this would help or not.
ETA: Unlocked topic to allow original poster to respond.