The SMR entries for Dublin on archaeology.ie have improved over recent times. There are three barrows clearly marked now in Crooksling townland. These do not include the mound in my previous shots from 2013.
I did a flying visit to this barrow, on the eastern side of the Kiltalawn to Brittas road, opposite the aforementioned mound. It’s quite clearly a round barrow, with bank, ditch and central mound, though with lots of interference and overgrowth.
Not exactly spectacular, but worth hopping the fence for a quick nosey.