The weights entwine the cords around your target, wrapping it so tightly so that it cannot maintain its momentum.

Encounter ✦     Weapon
Standard Action      Ranged weapon

Requirement: You must be wielding a bola.

Target: One creature

Attack: Dexterity vs. Reflex

Hit: 2[W] + Dexterity modifier damage, and the target is immobilized until the end of your next turn. On a critical hit, the target is also knocked prone.
At 11th level, increase to 3[W] damage.
At 21st level, increase to 4[W] damage.

Published in Dragon Magazine 368, page(s) 66.