Clinging is a physical, exotic advantage, described in Basic Set, p. 43. It has the special limitation Specific. It is referenced in GURPS Powers™, p. 13, as a kind of movement, and p. 45, as a super-power, along with a new special enchancement, Attraction, and a new special limitation, Requires Low Gravity.
- Compared to Lizard Climb 
- Compared to Flight with Requires Surface 
- On Clinging by means of a line, like a spider