Karen screamed when he suddenly started attacking the (relatively) new arrival. She scrambled up to her feet, eyes whipping around. A sudden idea struck her, and she pulled the fitted sheet off her bed.
She hurried behind Hector, holding one end of the sheet in each hand, and threw the sheet over him. She was okay with it covering his face - maybe that would calm him down? it worked on some animals, right? - but once it was down over his upper arms, she started trying to tie the ends of the sheet together, to get him bound and unable to hurt anyone else.