Use clone brush with text in Affinity Photo tutorial

You can use rasterized text as a great source for the Affinity Photo's clone brush and combine clone brush strokes in an image in 100s of ways
https://youtu.be/cZM4oyXoS6I
You can also rasterize the layer and return to the pre-rasterize state via the history panel to build up a complex set of amazing text sources for the clone brush to use with an image