A snowboard edge tuner, including a locking mechanism and a case having a base and a connecting base mutually connected; a first through hole passing through the connecting base and a second through hole passing through both the base and the connecting base are in communication with each other; the locking mechanism includes a sliding block and a first rotating component; the sliding block includes a first pressure plate, a second pressure plate and a first inclined surface; the base includes a second inclined surface corresponding to the first inclined surface; the first rotating component is rotatably fitted on the case, rotates and drives the sliding block to move along the second inclined surface, such that the first pressure plate presses against a sharpening block in the first through hole or the second pressure plate presses against the sharpening block in the second through hole.

A snowboard edge tuner, including a locking mechanism and a case having a base and a connecting base mutually connected; a first through hole passing through the connecting base and a second through hole passing through both the base and the connecting base are in communication with each other; the locking mechanism includes a sliding block and a first rotating component; the sliding block includes a first pressure plate, a second pressure plate and a first inclined surface; the base includes a second inclined surface corresponding to the first inclined surface; the first rotating component is rotatably fitted on the case, rotates and drives the sliding block to move along the second inclined surface, such that the first pressure plate presses against a sharpening block in the first through hole or the second pressure plate presses against the sharpening block in the second through hole.

A pressure relief device for a suction cup, is provided, including the suction cup, a rod body, and a pressure relief assembly; the suction cup is arranged at one end of the rod body, the rod body is also provided with a first air relief groove and a first air hole in the first air relief groove, and the first air hole runs through the rod body so that an air pipeline is in communication with the outside; the pressure relief assembly includes a first pressure relief member and a first blocking end, the first blocking end is placed in the air pipeline from the first air relief groove, the first blocking end is in transmission connection with the first pressure relief member, the first blocking end can block the first air hole or be separated from the first air hole under the drive of the first pressure relief member.

A pressure relief device for a suction cup, is provided, including the suction cup, a rod body, and a pressure relief assembly; the suction cup is arranged at one end of the rod body, the rod body is also provided with a first air relief groove and a first air hole in the first air relief groove, and the first air hole runs through the rod body so that an air pipeline is in communication with the outside; the pressure relief assembly includes a first pressure relief member and a first blocking end, the first blocking end is placed in the air pipeline from the first air relief groove, the first blocking end is in transmission connection with the first pressure relief member, the first blocking end can block the first air hole or be separated from the first air hole under the drive of the first pressure relief member.

A ski tuning apparatus is provided. The ski tuning apparatus includes an adjustable boot sole portion, a mounting plate, and a plurality of mounting brackets. The adjustable boot sole includes a fixed body portion secured to the mounting plate and configured to attach to a toe binding of a ski, and an adjustable body portion slidably secured to the fixed body portion and configured to adjustable secure to a heel binding of a ski. The plurality of mounting brackets can include a trailer hitch mount, a bench mount, a post mount, and an angle mount. A user can secure a ski to the tuning apparatus using the adjustable boot sole portion and can then perform tuning such as edge sharpening, grinding, and/or other maintenance procedures.

A ski tuning apparatus is provided. The ski tuning apparatus includes an adjustable boot sole portion, a mounting plate, and a plurality of mounting brackets. The adjustable boot sole includes a fixed body portion secured to the mounting plate and configured to attach to a toe binding of a ski, and an adjustable body portion slidably secured to the fixed body portion and configured to adjustable secure to a heel binding of a ski. The plurality of mounting brackets can include a trailer hitch mount, a bench mount, a post mount, and an angle mount. A user can secure a ski to the tuning apparatus using the adjustable boot sole portion and can then perform tuning such as edge sharpening, grinding, and/or other maintenance procedures.