Certain Grip

Transmutation
Level: Alchemist* 2, Artificer * 2, Bloodrager * 2, Druid * 2, Hunter * 2, Sorcerer */Wizard * 2
Components: V, S, M/DF (a tiny ball of tar)
Casting Time: 1 Standard Action
Range: touch
Target: creature touched
Duration: 10 minutes/level (D)
Saving Throw: Will negates (harmless)
Spell Resistance: yes (harmless)
  The subject's grip and footing become sure, granting a +4 Competence Bonus on Climb checks, on Acrobatics checks to balance, and to CMD against Bull Rush, Drag, Reposition, and Trip attempts. While affected by this spell, the target is also immune to the Disarm combat maneuver.