Tom Towelling Teaches You to Knit review – quirky yarns and a pop quiz in maths

Pleasance Courtyard, Edinburgh Hopping from a PowerPoint on hairlines to songs about favourite motorways, Towelling’s set is fun but drops a stitch or two The route from the classroom to the comedy stage is well travelled, and ex-maths teacher Tom Towelling makes it the thread of his show here, conducting his audience like so many recalcitrant pupils under his charge. In case that sounds…