And the sleighs can be converted for use when there is no snow or ice.

De Fryske Quadrille with beljeien at the 2023 Friesian Proms at the 1 hour 3 minute mark.

shortly before that, at the 59:15 mark, you can see the lead driver of De Fryske Quadrille with his youngest son, then aged 8. The son is driving a mini-sjees pulled by a Shetland pony, while his father is driving the full-size sjees pulled by a single Friesian horse.