It's a classic gag. "It bends here."

Unfortunately, I don't actually know why it's funny.

Tenshi=Kotomi from Clannad?

KChasm said:
It's a classic gag. "It bends here."

Unfortunately, I don't actually know why it's funny.

probably answering how the Arm Sonic Blades work

natalia909090 said:
Tenshi=Kotomi from Clannad?

Tenshi is a piano prodigy, we need to check on her violin.

then imagine kotomi moments using her.

z905844 said:
then imagine kotomi moments using her.

A tsukkomi retort would be a bit... sharper... if a Hand Sonic was attached...

Does the gag justify any combination of clannad, parody, and ichinose_kotomi, as a reference to that scene from Clannad?

The origin of "it bends here"--it's the trademark gag of Masumi Yagi (八木真澄), half of the Japanese comedy duo Savanna (サバンナ).

Unfortunately, I don't know any more than that.

http://www.youtube.com/watch?v=YUQ_TVxg4-Y

Nine minutes on in this video.
But I don't know Japanese.

RaisingK said:

Does the gag justify any combination of clannad, parody, and ichinose_kotomi, as a reference to that scene from Clannad?

The original source has tags for Ichinose Kotomi and Clannad, thus added clannad and parody.