Help me a progam for hand exercise

[truechangmogger]

i bought two 5kg dumbbells because 10kg is too heavy i need a workout program for 13 year old my wrists are skinny so i want to improve then i will learn bbj and muay thai or boxing
Goal:Forearm bigger and strong

 

[truechangmogger]

@FramePillGymMaxx i think u know this

 

[truechangmogger]

@Luca_. @idk769876

 

[idk769876]

@Luca_. @idk769876

Go on youtube bro.

 

[truechangmogger]

Go on youtube bro.

They dont say what rep what set