Thrustmaster VIPER TQS Manual page 16

Installation using TM Flying Clamp*
TM Flying Clamp is a height-adjustable support
designed by Thrustmaster for its flight simulation
accessories. This mounting system features two
clamping screws allowing it to be adjusted for use with
desks and tables from 0.6–1.8 inches / 15–45 mm thick.
*Sold separately
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