AirFlo Uno 2 with Suction Cup Mount - 4th Axis - UK DS40 It comes with a D-mount

It comes with a D-mount that allows you to attach a safety line

" below to understand the types of use for each one

Dual Mount for AFU2 & Dual Suction Cup

It's the case that your Pocket 4 or Xtra Muse 2 should have come with

1/8th Allen key

AirFlo Uno 2 with Suction Cup Mount - 4th Axis - UK DS40 It comes with a D-mountThe AirFlo Uno 2 with Suction Cup Mount is a compact and lightweight 4th axis or Z axis stabilizer built to smooth out your bumpy gimbal footage when mounted to the included high strength suction cup. This is a major update, with the new Alloy Mount, stainless bolt runner, more stainless bearings, and a frame that's twice the strength. This stabiliser makes your footage smooth as silk! The versatile design allows your Uno 2 to be mounted autonomously