וַיְהִ֣י מִֽמָּחֳרָ֗ת וַיִּקַּ֤ח הַמַּכְבֵּר֙ וַיִּטְבֹּ֣ל בַּמַּ֔יִם וַיִּפְרֹ֥שׂ עַל־פָּנָ֖יו וַיָּמֹ֑ת וַיִּמְלֹ֥ךְ חֲזָהאֵ֖ל תַּחְתָּֽיו׃ (פ)
그 이튿날에 하사엘이 이불을 물에 적시어 왕의 얼굴에 덮으매 왕이 죽은지라 저가 대신하여 왕이 되니라
Metzudat Zion
This is a thick covering that was brought from it tassels. This Targum Yonatan as Genucha. this is also in Kings 2: 8:15. "and he took the netted piece of cloth" and Targum Yonatan translates it has Genucha.