a prudent captain would run redundant diagnostics to make sure nothing important went queer during the first hop...
not a "4D field" but a four-lobed field. think "shaped like a fat caltrop" and you get the general idea.
weapon: lengthen the field through the target and displace a large chunk, even just a short distance: exposing the innards to hard vacuum and severing many ship systems.
not so dramatic as a move-through brush pass, but more precise.
Weapon. Easier just to entangle. Why distort your field that far? Just punch in the co-ordinates and start scooping...
Really, gotta run. Later!