I think this is like a Willy Wonka Bar Golden Ticket.
Get in touch with JetCat, you might have won a prize.

Looks like a poor attempt at strain relief on the wires.
On mine, the wires are doubled back and black heatshrink applied over the bundle.
Maybe yours is an older version or has had some warranty/repair work done on it ?

Could have been worse, could have been a metal screw !