Grip rubber on handle

Is it ok to use grip rubber on the blade's handle?

I feel more comfortable when playing but it seem it will reduce the speed of ball...

Does the grip rubber will reduce the ball speed? And is there other pros and cons when using grip rubber? 

Hi Byron,

Yes that is fine to use.  I used to use some for a while to get a better grip on the racket.

It is a matter of feel for yourself.  It doesn't effect the performance of the racket much at all.  Everyone is different here.  If it feels good use it.  You can even use an old bicycle tyre and cut a piece to slip over the handle.