Kaatsvereniging Willem Westra, also known as KVWW, is a well-established brand in the field of kaatsen, a traditional Frisian sport. The club offers a range of products and services to its members, including competitions, training, and historical information about the sport. Their website provides updates on upcoming events, match results, and general information about the club and its members.

Recently, KVWW hosted their first senior members' match, which was sponsored by Oudbouwhandel Arum. Despite initial uncertainty, the event was a success with 15 men and 14 women participating. The finals were played under lights, adding to the festive atmosphere.

KVWW also organizes various social events, such as their annual Merkeweekend, which includes the Arumer Merke Ledenpartij, followed by live music. The club aims to promote the sport of kaatsen and create a sense of camaraderie among its members, making Arum a safer and more vibrant place to live