Answer: limbers

AnswerCrossword Clue
LIMBERSMakes flexible
LIMBERSWarms (up)
LIMBERSMakes pliant.
LIMBERSMakes flexible.
LIMBERSLoosens (up)
limbersLIMBER, to make flexible (able to be bent)
limbersMake (oneself or a body part) supple
limbersWarm up in preparation for exercise or activity, esp. sports