pick

 https://www.google.com/search?q=hand+pick

gauntlet

 https://www.google.com/search?q=gauntlet

arm wrestle

 https://www.google.com/search?q=arm+wrestle

melee

 https://www.google.com/search?q=melee

jab

 https://www.google.com/search?q=jab

knuckle

 https://www.google.com/search?q=knuckle

iron

 https://www.google.com/search?q=iron+fingers

arm whip

 https://www.google.com/search?q=arm+whip

grip

 https://www.google.com/search?q=grip

pinch

 https://www.google.com/search?q=pinch

hand pocket

 https://www.google.com/search?q=hand+pocket

poison

 https://www.google.com/search?q=poison+hand 

sleeve

 https://www.google.com/search?q=sleeve

pummel

 https://www.google.com/search?q=pummel

Fist

 https://www.google.com/search?q=Fist

Keep your hands relaxed and don’t clench your fists, instead keep your fingers slightly curled inwards and rest your thumb on top of your first finger. 

Preventing gravity from sucking energy

(Clenching your fists will put pressure in your arms, shoulders and neck and can also increase blood pressure. )

https://www.google.com/search?q=Walk+Fist

https://www.google.com/search?q=bodhisattva+fist