What is the accurate translation of this mantra from the Vājasaneyi Samhita -
ए॒तत्ते॑ रुद्राव॒सं तेन॑ प॒रो मूज॑व॒तोऽती॑हि। अव॑ततधन्वा॒ पिना॑कावसः॒ कृत्ति॑वासा॒ऽअहि॑ꣳसन्नः शि॒वोऽती॑हि॥
~ Vājasaneyi Samhita 3.61
Does "Kṛttim Vasāna" actually mean "Wearing hide" ? What is the exact meaning of Kṛtti?