Introduction
Preamble
PART 1 – GOLF CLUB PLAYING RULES
Rule 4 - The Player’s Equipment
4.1 Clubs
Rule 4 - The Player’s Equipment
4.1 Clubs
PART 2 - CONFORMANCE OF CLUBS
Introduction
1. Clubs
a. General
b. Adjustability
c. Length
d. Alignment
1. Clubs
a. General
b. Adjustability
c. Length
d. Alignment
2. Shaft
a. Straightness
b. Bending and Twisting Properties
c. Attachment to Clubhead
2. Shaft
a. Straightness
b. Bending and Twisting Properties
c. Attachment to Clubhead
3. The Grip
a. Definition
b. Cross-section (See Fig. 19)
c. Two Grips
3. The Grip
a. Definition
b. Cross-section (See Fig. 19)
c. Two Grips
4. Clubhead
a. Plain in Shape
b. Dimensions, Volume and Moment of Inertia
c. Spring Effect and Dynamic Properties
d. Striking Faces
4. Clubhead
a. Plain in Shape
b. Dimensions, Volume and Moment of Inertia
c. Spring Effect and Dynamic Properties
d. Striking Faces
5. Club Face
a. General
b. Impact Area Roughness and Material
c. Impact Area Markings
d. Decorative Markings
e. Non-metallic Club Face Markings
f. Putter Face
5. Club Face
a. General
b. Impact Area Roughness and Material
c. Impact Area Markings
d. Decorative Markings
f. Putter Face
PART 3 – THE GOLF BALL PLAYING RULES
4.2 Balls
a. Balls Allowed in Play of Round
4.2 Balls
a. Balls Allowed in Play of Round
PART 4 – CONFORMANCE OF BALLS
Introduction
1. General
2. Weight
3. Size
4. Spherical Symmetry
5. Initial Velocity
6. Overall Distance Standard
1. General
2. Weight
3. Size
4. Spherical Symmetry
5. Initial Velocity
6. Overall Distance Standard
PART 5 – EQUIPMENT PLAYING RULES
Rule 4.3 Use of Equipment
Rule 4.3 Use of Equipment
PART 6 – DEVICES AND OTHER EQUIPMENT
Introduction
1. Tees (Rule 6.2)
2. Gloves (Rule 4.3)
3. Shoes (Rule 4.3)
4. Clothing (Rule 4.3)
5. Use of Tape, including Kinesiology Tape (Rule 4.3)
6. Distance Measuring Devices (Rule 4.3)
7. Definition of Alignment Device and Treatment of Ball-Markers (Rule 4.3)
PART 7 – MODIFIED PLAYING RULES FOR PLAYERS WITH DISABILITIES
Introduction
1. Length
2. Grips
PART 8 – COMMITTEE EQUIPMENT REQUIREMENTS
Introduction
1. The Flagstick
Supplementary Paper A
ADVICE TO RULES OFFICIALS CONCERNING QUERIES ON THE CONFORMITY OF CLUBS AT COMPETITIONS
A. Queries Arising Before the Competition Begins
B. Queries Arising During Stroke Play Competition
C. Queries Arising During Match Play Competition
D. Queries Arising After Competition Closed
Supplementary Paper B
Introduction
Groove Width and Separation
How to Ink and Mark the Grooves
How to Use the Magnifier
Measuring the Grooves
Errors and Uncertainty in Measuring
How to Determine whether Clubs Available Prior to 1 January 2010 Conform to Pre-2010 Groove Requirements (applicable to golf played where the Groove and Punch Mark Condition is not in use)
Irregular or Unusual Grooves
SUMMARY OF GROOVE MEASURING PROCEDURE
ABBREVIATED PROCEDURE FOR GROOVE MEASUREMENTS
GROOVE MEASUREMENT
Groove Depth
Method of Use
Punch Marks
Definition of “Impact Area” – for clubs manufactured prior to 1 January 2010
Supplementary Paper C
New Specifications and Interpretations
Interpretation of a Plain Groove
Determining the Status of Markings in the Impact Area Against 2010 Specifications
(i) Groove Width
(ii) Groove Depth
(iii) Groove Separation
(iv) Groove Consistency
(v) Area over Width Plus Separation
(vi) Groove Edge Radius
(vii) Punch Marks