[Perhaps they could try acupuncture too...

He files that idea away as something for later.]

If you like it then you should get it. [Then he reached out to move Midoriya's hands back onto the blade handle.] You don't need to grip hard with all of your fingers. Some of them will be for support the others will be to help with aiming. And especially if you lack strength in your hand, try to deflect or dodge rather than outright blocking.