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Newton’s laws of motion

First law:
The velocity of a body remains constant unless the body is acted upon by an external force.

Second law:
The acceleration of a body is parallel and directly proportional to the net force F and inversely proportional to the mass m, i.e., F = ma.

Third law:
The mutual forces of action and reaction between two bodies are equal, opposite and collinear.

Joss Cues through exhaustive research and development has created the ideal break cue,

”The THOR HAMMER” heavy or light.

With the use of full core technology we can deliver that one piece feel. Coupled with the phenolic joint you can get no better control and transfer of energy. There are two trains of thought regarding the break cue. A light weight cue, the “Thor Hammer Light”, you can get high acceleration and velocity to break the balls wide open for the run out. A heavy weight cue, “The Thor Hammer Heavy”, you have slower acceleration and velocity but much greater mass again to break the balls wide open. With either method you can take full advantage of Newton’s laws of motion.

Both methods work well but it is up to you to decide what works best for your type of play.


  1. Phenolic joint. Tests have shown that this type of joint may add 20% more ball speed off the tip.
  2. 5/16 x 14 stainless steel joint screw.
  3. Joss Layered tip. A tip that will stand up to the abuse of breaking balls with little distortion.
  4. Full core technology. This cue, as with all Joss cues, has a Canadian hard rock maple core through the entire butt section.

This core adds strength and stability to the entire cue, along with that one piece feel.

Joss THOR Purple Heart Break cue


Thor Purple Heart

Joss THOR Ironwood Break cue


Thor Ironwood

Joss THOR Black Break cue


Thor Black