Ringtoss is part of the extraterrestrial cadre named the Technet. She is able to toss out energy rings from her faceplate which then binds beings it surrounds.

Ringtoss

Ringtoss is part of the extraterrestrial cadre named the Technet. She is able to toss out energy rings from her faceplate which then binds beings it surrounds.

All data from the awesome folks at Marvel.