do blindfolded
Also, do standing on one's head. Perform very easily, as in Dave said he could do the income tax return blindfolded, or An excellent carpenter, he could do just about anything standing on his head. For a synonymous hyperbolic expression, see with one arm tied.
Words nearby do blindfolded
do a job on,
do an about-face,
do any good,
do as i say,
do away with,
do blindfolded,
do by,
do credit to,
do down,
do for,
do good