Semi Trans Hood wherever the face pops-off are perfect for extended sessions. That way you could give them a breather 50 percent way through.???????? ?????? ???, ???? ????? ???? ???? ?????? ??????? ???????????? ?? ????? ??? ????? ???? ?? ??? ???? ???? ??????? ?? ?????? ??? ?? ???????? ??? ?? ???? ??? ???????? ??, ?? ??????? ?? ?? ????? ?????? ??? ?