Ok what the FUCK is parrises squares.

What are y’all gonna even go do in this gear.

Why is it SO DANGEROUS that Will freaked out upon learning his (fake and not real) 12 y/o son was playing it and got a little boo boo.

In his family simulation the EMH's daughter literally died from this?? I am so curious about this apparently very common but very deadly sport in the Star Trek universe.