YOU SAID:

they insert the hand, into the other man's hand

INTO JAPANESE

彼らは、他の人の手に手を挿入します

BACK INTO ENGLISH

They insert their hands into the hands of others

INTO JAPANESE

彼らは他の人の手に手を入れます

BACK INTO ENGLISH

They put their hands in the hands of others

INTO JAPANESE

彼らは他の人の手に手を置きます

BACK INTO ENGLISH

They put their hands on other people's hands

INTO JAPANESE

彼らは他の人の手に手を置きます

BACK INTO ENGLISH

They put their hands on other people's hands