Primos Trigger Stick Vital TripodPrimos Trigger Stick Vital Tripod The Primos Trigger Stick Vital Tripod has been trusted by individuals for decades. Products that are made of quality material and designed to withstand the toughest environments. With the pull of a trigger you can adjust to your desired height and flipping the switch you can lock the trigger to keep that height. Features an improved fluid handle movement. To see more from Primos, visit the Primos Collection