OOAK table tennis forum are one of the biggest table tennis forums on the net, and are well known for their friendly atmosphere, and high level of knowledge in equipment, techniques and table tennis rules. OOAK embrace not only the conventional styles of play and equipment, but also focus on the less discussed ones like pimples, anti-spin, hardbat, pengrip, etc.

Slingshot Forum is a site discussing the slingshot hobby. On this site homemade slingshots, hunting slingshots, as well as bands and ammo are discussed.

Motorized bicycle discussion, bicycle engine kits, repairs, building and performance, Manuals for gas and electric Motorized Bicycles.