47 Rule 4 (6) Stretching Devices and Training or Swing Aids. • Allowed. » Using any equipment for general stretching (other than in making a practice swing), whether the equipment is designed for stretching, for use in golf (such as an alignment rod placed across the shoulders) or for any purpose unrelated to golf (such as rubber tubing or a section of pipe). • Not Allowed. » Using any type of golf training or swing aid (such as an alignment rod or a weighted headcover or “donut”) or a non-conforming club in any way that creates a potential advantage by helping the player in preparing for or making a stroke (such as help with swing plane, grip, alignment, ball position or posture). Further guidance on the use of equipment described above and other types of equipment (such as clothing and shoes) is found in the Equipment Rules. A player who is uncertain whether they may use a piece of equipment in a particular way should ask the Committee for a ruling (see Rule 20.2b). See Committee Procedures, Section 8; Model Local Rule G-6 (the Committee may adopt a Local Rule prohibiting the use of motorized transportation during a round). 4.3b Equipment Used for Medical Reasons (1) Medical Exception. A player is not in breach of Rule 4.3 if they use equipment to help with a medical condition, so long as: • The player has a medical reason to use the equipment, and • The Committee decides that its use does not give the player any unfair advantage over other players. See Rule 25.3a (status of prosthetic devices); Rule 25.4f (application of Rule 4.3 for assistive mobility devices).
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