making it useless for weapon holding

[diamondcutter]

As for why shaking hands was deemed a good method of greeting, rather than some other gesture, the most popular explanation is that it incapacitates the right hand, making it useless for weapon holding.
https://www.mentalfloss.com/article/606627/handshake-origins

I wonder if “making it useless for weapon holding” above means “making it impossible for the right hand to hold weapons”.

 

[Glizdka]

Not a teacher
------

Unless you're left-handed, or ambidextrous, yes.

 

[GoesStation]

Not a teacher

Unless you're left-handed, or ambidextrous, yes.

It makes it impossible to hold a weapon in the right hand regardless.

 

[diamondcutter]

Thanks, teachers.

making it useless for weapon holding

I think the “it’ above in the original sentence refers to the right hand. Am I right?

 

[Tarheel]

Yes. That is right.

 

[diamondcutter]

If I change making it useless for weapon holding to making it useless for holding a weapon, does the meaning also change?

If not, I think the following two sentences have the same meaning.

His hands are useless for playing the piano.

His hands are useless for the piano playing.

 

[GoesStation]

If I change making it useless for weapon holding to making it useless for holding a weapon, does the meaning also change?

If not, I think the following two sentences have the same meaning.

His hands are useless for playing the piano.

His hands are useless for [STRIKE]the[/STRIKE] piano playing.

That's right.

 

[Tdol]

Does he have a problem with his hands?

 

[diamondcutter]

Does he have a problem with his hands?

Yes, because his hands were injured.

 

[Charlie Bernstein]

As for why shaking hands was deemed a good method of greeting, rather than some other gesture, the most popular explanation is that it incapacitates the right hand, making it useless for weapon holding.
https://www.mentalfloss.com/article/606627/handshake-origins

I wonder if “making it useless for weapon holding” above means “making it impossible for the right hand to hold weapons”.

It means making it useless for holding a weapon.

But my understanding is that the practice came from gripping one another's arms to see if there was a weapon up the other's sleeve.