Disclosed is a sliding arm for use with a docking station having a connector block with a plurality of plugs, the arm includes a block-side portion and a follower portion. The block-side portion can have a first end connected to the connector block. The follower portion can be connected to a second end of the block-side portion with a linear clutch. The linear clutch can include a bolt, a spring, and two sliding members. The bolt can pass through the block-side portion and the follower portion. A force on an end of the arm can cause the clutch to slip allowing the follower portion to move independently of the block-side portion. A sensor can detect a slippage of the linear clutch.