4 links
Hyperformance Jump Ropes
buddyleejumpropes.com
Offers jump ropes with a patented swivel bearing system; includes rope skipping sport news.
JumpRope.com
jumprope.com
Information on the benefits of skipping, choosing your rope, plus online store with full catalogue of ropes and resources.
Thai-German Corporation
duvide.com
Offering an adjustable weight model. Includes information on customization and skipping.