Akira's Doppo Choushitsu

While going through Akira's command training I came across this move, can anyone explain to me how to do the Doppo Choushitsu. The move looks like this
+ (Release after 1 frame).

 

Press K, just scrap G, together; do it quickly. This has been discussed BILLIONS of times. Try the search.

 

Sorry I posted this I just found out that you can search for it, can anyone tell me how to erase my post.

 

sure. hit + and release after one frame. seriously.

basically, you hit + together and scrape off of while still maintaining contact with .

The other way to do it is to use the search function on this site and discover that this question is asked about a zillion times.

GE

 

just call it "the knee."