The value is there - just add 'swivel' - rotation of the entire unit.
What you are seeing is the 'package' being delivered into the bag. Now imagine that package rotating through around PP1. If you indeed reached this position in a full swing, yes, I would consider that a block, however you can play that way very well, you just must swing left. An angled hinge that comes closer to a verticle hinge than a horizontal one.
Just ask Trevino, blocks can work, but IMO you give up some power (transfer power) for control.
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