Joining Feet to Straighten Prayer-Rows: Is it a Sunnah?

Q. As part of straightening the rows for congregational prayer (salat al-jama‘ah), is it required or recommended that each person join their feet with those standing either side of them? A. Two issues need addressing here. Firstly, the importance of straightening the rows and the care and attention our Prophet ﷺ gave to it. Secondly, the manner…