OK, first off, you don't need any extra pressure, but you do have to ensure that the edge contacts the hone from heel to toe. If this cannot be done with an exaggerated heel-forward stroke, then you must use a rolling stroke. Here are some good places to start:

https://youtu.be/wEtb9k3APYM

https://youtu.be/DStkiyHB9PU

https://youtu.be/x2dqBluDteQ