Do like Leif Nilsson (in the picture), he is the President of the Swedish Minigolf Federation. He bought a t-shirt, a baseball cap, a WAGM-ball and the WAGM golf ball and got 10 % off! 
Now it is possible to pre-order the following WAGM-branded things:
Baseball cap: 20 euro (onesize)T-shirt: 20 euro (size M-XXL)Minigolf ball, 7 cm, 35 shore, 60 grams, limited edition: 20 euro – available in KL (150), KR (20), KRR (30).Golf ball with WAGM- and WMF-logo, limited edition: 12 euro (100 pieces)
If you order a baseball cap, a t-shirt and at least one ball you will get 10% off on the total amount. Send your order to:
Payment in advance via IBAN/BIC bank transfer or cash at location in Kungälv during WAGM-week.