Is this a Tubular Cast off OR Seamed Hem? --->YES!<--- It's the "P-Q" hybrid bind off

I'm supposed to be in the middle of a series about weird new ways of double-knitting, and there is more coming up. But, until recently, the 'flu had hold of me. So, until my wits fully return, here is a fill-in post on a different and simpler subject, a quick and pretty way to bind off K1, P1 ribbing.A new KI, P1 ribbing bind-off (cast-off) for garments a: Outside, it's a tubular