Can this improve my 2.4 timing?

[cityhope]

I found this interesting device
http://sg.88db.com/sg/Views/postDetails.aspx?PostID=875834
Did a seach and found that it can improve run/swim time. Anybro here use this before? Will it improve 2.4 timing?

 

[cityhope]

nobody know about this???

 

[diversifyx2]

Are you selling??

 

[cityhope]

nope. want to find out if anyone have used it before and what is the experience.

 

[singaporebomb]

no point for me...i cannot even pass my chin-up