2 can instead double back off 4, then 3 pops out to the other wing off 5.
Any guard coming off a pick and roll should make two dribbles.
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c) Fist 5
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Post split on the pass to 4.
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d) Fist 4
Intended to isolate 4 off a small-to-big lateral screen. All low lateral screens should be initiated with both the screener and cutter on the third hash mark up the lane