Securing a small powerboat alongside a pontoon

How to secure a small boat alongside using bow, stern and spring lines. Please note this for securing the boat to a pontoon that raises and lowers with the tide; do not use this method for securing to a jetty wall for example.

[@mojomystery1087]

Because boats hold a fascination for me, I often use them in my art projects it is interesting to see them safely moored, many thanks, I have subscribed to learn more,