The Vultex - a hand-held, seed-shaped object that expands to form energy weaves.
Used singly, it can create a net, that envelops the target, immobilizing it.
They can also use it in conjunction with others to create an interlinking web, the more participants, the stronger the web. Also can be used as a shield. It enables a sort of visual coordinated telepathy, to help the group visualize the structure they need.
It also has other uses:
Over time, it can draw atoms from the surrounding and form solid structures, sort of like a mold. It could be used to create a bridge, a tool, a splint for a broken limb, binders (handcuffs). They share and learn recipes. An interesting twist on the idea of 3D printing.