Weapon Bond affects what skills

[Captain Joy]

Regarding the Weapon Bond perk:

Originally Posted by GURPS Power-Ups 2: Perks, p. 9

…when you use [the weapon], you’re at +1 to effective skill and all techniques based on that skill.

1. Is said skill only one weapon skill used to wield the weapon?
2. Any weapon skill that could be used to wield the weapon?
3. Does Fast-Draw for the weapon get the bonus as well?