Even though this is for summer, I would do this every time of the year. In autumn/winter wrapped up in a blanket with a hot drink and toasting marshmallows and in summer/spring sitting on the beach watching the night unfold.
Water Bucket, ladle and Vihta / Vasta in sauna. Vihta or Vasta is in english birch whisk used in sauna. The use of Vihta or Vasta is slap repeatedly our bodies. That aids your circulatory system, cleans and refresh your skin and it& also like a massage.