All the mechanical work is done letting you focus on the artistic side of things

and wrist circumference at minimum

The grappler then automatically retracts allowing you to catch it in your hand on return

4K Video on YouTube:

Deluxe Metal Biomechanical Spinal Armor V1.5 Size:Medium All the mechanical work isFull metal biomechanical spinal armor with glowing vertebrae. Artistic cyberpunk style, durable costume accessory. Available with RGB light effects, dream color controller sequencer with remote control. Almost a hundred rolling light patterns, as well as speed control, brightness adjustment (great for photography), and solid color selection. Operated by RF remote control. Takes 4 AA batteries. Small on off switch located at the nape of the neck.