[Closed] NL100: AKo another push preflop

Known players: (for a description of vp$ip, pfr, ats, folded bb, af, wts, wsd or hands click here)         
[tg]Position_Stack:hands/vp$ip/pfr/af/wts/ats/foldbb/w$sd;MP3$74.91:212/12/4/0.5/20/58/11/60;[/tg]
0.50/1 No-Limit Hold'em (10 handed)
Hand recorder used for this poker hand: Texas Grabem 1.9 by www.pokerstrategy.com.

Preflop: Hero is BB with A♣, K♥
5 folds, MP3 raises to $3.50, 3 folds, Hero raises to $20.50 (All-In), MP3 folds.

Final Pot: $24.50

Today is a perfect day to master preflop push technique ;). I hope I'l; hear some interesting advices about it...

Here a tight MP3 and no limpers. Worth it?

Position_Stack:
hands/vp$ip/pfr/af/wts/ats/foldbb/w$sd;
MP3$74.91:212/12/4/0.5/20/58/11/60;