Shaolin monks hone their kung fu skills in the courtyard of the Shaolin Monastery. Murals in the White Hall of the Shaolin Temple.

Authentic Shaolin Heritage: Training Methods of Shaolin Monks

72 Arts of Shaolin: (29) The Art of Stone Padlock

SHI SUO GONG

The Art of Stone Padlock | Brief Description 

Excerpt from the book: Jin Jing Zhong. Authentic Shaolin Heritage: Training Methods of 72 Arts of Shaolin >
72 Arts of Shaolin: (29) The Art of Stone PadlockShaolin "Art of Stone Padlock" serves to strengthen the external power, brings strength to the body, like that one of the sun. This method serves to harden arms. It is especially suitable for lifting some heavy things. The efficiency of this art is not inferior to that one of the method of the “Iron Bag” (TIE DAI GONG). The shape and the outline of the “Stone Padlock” are similar to those ones of a common copper padlock. That padlock has a U-shaped bar and a barrel, but has no hole for the key...
A full description of the training procedure is available in the book: Training Methods of 72 Arts of Shaolin >

...When learners assimilate this skill completely, they will be able to lift things weighing 100 to 300 JINs (50 – 150 kg). It is necessary to pay equal attention to both arms without leaving one arm inactive in the process of acquiring the skill. It will take about two years to acquire this Shaolin skill. Only after that time you can be told to have attained a high level. It is easier to learn this art in childhood and later repeat and improve the knack of lifting, throwing up and pushing things of impressive weight easily.

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72 ARTS OF SHAOLIN | Brief Descriptions

(1) Diamond Finger - (2) Twin Lock - (3) Striking with Foot  (4) Pulling out Nails - (5) Ringing Round a Tree - (6 ) Four-Part Exercise - (7) One Finger of Chan Meditation - (8) Iron Head - (9) Iron Shirt - (10) A Series of Blows - (11) Sweeping with an Iron Broom - (12) Hand - a Bamboo Leaf (13) Jumping Centipede - (14) Raising a Weight of 1000 JINs - (15) Celestial’s Palm - (16) Method of Hardness and Softness - (17) Cinnabar Palm - (18) Lying Tiger - (19) Swimming and Diving Skill - (20) Sluice Shutter weighing 1000 JINs - (21) Covering with a Gold Bell - (22) Finger Lock - (23) Luohan’s Exercise - (24) Lizard Climbs the Wall - (25) The Art of Lash - (26) PIPA - (27) The Pole of a Falling Star - (28) Poles of Plum Bloom - (29) The Art of Stone Padlock - (30) Skill of the Iron Arm - (31) Fist like a Bullet - (32) Soft Bones - (33) Frog - (34) Piercing the Curtain - (35) The Force of Eagle’s Claws - (36) Iron Bull - (37) Skill of Eagle Wings - (38) Hand of Sun Rays - (39) Exercise for Groin - (40) Iron Bag - (41) Method that Reveals the Truth - (42) Skill of Tortoise Back - (43) Skill of Deft Jumps - (44) Skill of Light Body - (45) Iron Knees - (46) Technique of Jumps - (47) Palm of Iron Sand - (48) Pulling a Silk Thread - (49) Method of drawing in YIN - (50) Rubbing and Thrusts - (51) Stone Pile - (52) Neither Lances nor Broadswords Can Wound - (53) Gong Fu Flight - (54) Hand of Five Poisons - (55) Skill of Water Separation - (56) To Fly Up to the Ridge and to Walk on a Wall - (57) Skill of Somersaulting - (58) Pole of Cypress - (59) Ba Wang’s Elbow - (60) Pinching a Flower - (61) Pushing a Mountain with Palm - (62) Technique of Horse Saddle - (63) Skill of Nephrite Belt - (64) YIN Fist Method - (65) Skill of Sand Bags - (66) Piercing Through Stones - (67) Pulling Out a Mountain - (68) Claws of Mantis - (69) Gong Fu Bag - (70) Palm of Guan Yin - (71) Raising a Pot - (72) Rubbing Palms