Follow these very simple steps to knot your thread for hand sewing.
Thread your needle. You can use single thread or double thread according to your need.
Wrap and roll: Wrap the thread around your finger, and hold it with your thumb. Roll the thread down your index finger using support from the thumb.
Keep rolling it till it comes off your index finger, the loop formed is the knot. Now tighten it by pushing it back using your finger. You are done! Try this a few times to perfect your move 🙂