Maia's set is great, it starts REAL BASIC from STEP 1 WITH higher moves thrown in so its like starting at white, by the end your a blue or semi-blue, mostly technique not many escapes but more on CONTROL
Ryan halls is GREAT soooooooooooo much depth on the move and i like his personality definatly top 3 to get, shows escapes and technique
Ceaser Gracie is AMAZING shows escapes counters ins and outs, hes aggressive in his teaching and kinda mean but when your a MONSTER at jiujitsu you can take whatever personality you want definately #2 to get.
moura is great, advanced but has an accent VERY hard to understand but great moves
drysdale is hit or miss, good detail but he has an arrogance to him thats kinda obnoxious, talks un-needed details but he has good techniques and is very tricky
Saulo is great hes well rounded takedowns grappling positions
MARCELO GARCIA IS A MUST hes got an accent but if you can get past that youll learn from THE BEST (almost can say the same for pablo popovitch but garcia is #1 the best)
SECRETS OF CHUTE BOXE with THE RUAS xoxoxo learning MT with the ruas and their DIRTY BRASILLIAN MUAY THAI its so good but they are SO DIRTY its dirty dirt but its sooooooooooooo good its muay thai mixed with jiu jitsu
gurgel sperry de la riva ive never seen
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top 3 to get: Marcelo Garcia, Ceaser Gracie or ryanhall-demianmaia DEPENDING ON where your jitsu level is at (high - ryan hall, low - demian maia)