Chess openings explained: Grobs opening

Hello everyone! Today in my new series, chess openings explained, I will be talking about the grobs opening. This opening is relatively "new" to me but I find it fun, interesting, and very exciting. now if you don't know what the grobs opening is, here is what it is

Pretty cool, huh? Well,

this opening can open up a lot of possibility's including a cool sac from white, check this out!

This is one line but check out this crazy sac|

Overall, I rate this opening 3.5 out of 5, but what do you think? say in comments!