More Madness in the Caro-Kann

We continue today with more analysis of my crazy move, 4. g4!? in the Caro-Kann. (See Grob It While You Kann for the beginning of the series.) To refresh your memory, the line begins 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4!? I don’t know if this variation has a name....