Four techniques for de$-$escalation that were taught during this course were:

Answer

a$.$ Separate and stitch, Pressure Points, $5-$Steps to De$-$escalation, Verbal Take Downs

b$.$ Pressure points, The SOLVE Solution, Verbal Take Downs, Separate, and Stitch

c$.$ The SOLVE solution, Verbal Intervention Techniques, $5-$Steps to De$-$escalation, Separate and Stitch

d$.$ Verbal Intervention Techniques, $5-$Steps to De$-$escalation, Separate and Stitch, Verbal Take downs.