3:42 tricep grab details 

4:48 preventing mount with urgency 

5:40 8:48 sweep or escape depends on their hip switch

7:02 darce details

9:03 crucifix/armbar counter to scarf hold with left hand post

12:28 sweep and submission counters to scarf hold with left hand post

16:42 either they can pin you or they will allow space for escapes