High Quality Content by WIKIPEDIA articles! The X-Trail Jam is a Japanese snowboarding contest and one of the biggest of its kind worldwide. It was first launched in the Tokyo Dome, Japan in 2001 and is now held annually. President and main developer is Reto Lamm. Snowboards are boards, which resemble a wide ski, with the ability to glide on snow. Users of such equipment may be referred to as snowboarders. Commercial snowboards generally require extra equipment such as bindings and special boots which help secure both feet of a snowboarder, who generally rides in an upright position. These type of boards are commonly used by people at ski hills or resorts for leisure, entertainment and competitive purposes in the activity called snowboarding.