The sturdy Body Attack chin-up-dip-belt is good for use of additional weights (weight plates of any weight) for heavy chin ups or dips. Just wrap the Body Attack chin-up-dip-belt around the hips, so that weight plates hang on the chain between the legs.
Sturdy leather version with strong back upholstery and steel chain for additional loads !
The Kettler safety belt for trikes from Kettler's Happy Plus series keeps children in the seat in an ideal way. The Kettler safety belt is continuously adjustable and prevents children from sliding off the trike.