In their own words:
"Tackleunderground.com is an online community of fishing tackle enthusiasts and makers brought together from the world over. Tackleunderground.com boasts the planets largest group of minds and talent in the industry from weekend hobbyists to full time manufacturers in one place."
There is a huge amount of next level lure building information to be found through out the site, and we've already recieved several useful suggestions for out kits.
If you are interested in lure building, it is a great place visit.