I never use bong, ever. At least I try not to. I got rid of bong sau from my sparring a long time ago. Do u find it works well for u?
Bong definitely has it's place, especially in close. Check out how Alan Orr uses it in sparring, starting at about 21:00 in the clip below:
BTW let's avoid text speak (using "u" for "you", etc.) ...it's in the forum rules. Thanks