And make sure each exercise is done at at a 5.56655 angle.
That’s all I did with different variations as a kid ,regular push ups, between 2 chairs and feet on the bed ,narrow /wide hands spread .I saw great progress in the upper body.
Don't forget to take MuscleTech.
You lot can go for the gimmicks I'm sticking to mumie, frac, beta sitersterol, smilax, orchic, dibencozide and infiniti 1700