-Are you tired of struggling with duvets slipping off duvet covers?-Do you wake up at night freezing because you've shifted the duvet cover and the duvet has rolled to the edge?-Do you struggle every morning to get the duvet cover over the duvet, especially over weighted blankets?Now we have this robust solution!!!!Made of robust plastic, with smooth edges, safe and non-toxic, and made to last a long time.Easy to use: Use the needle to go through the duvet, it pushes the neat \"mushroom\" into the needle. It has stepless locking so you can choose how compressed you want it.You don't need to worry: The lock has been tested to hold up to the most restless sleepers.Is it time to wash the duvet cover: No problem, just press the hidden button for the locking mechanism and it releases.If you have a 9kg or heavier weighted blanket, we recommend 2 packs.• -Are you tired of struggling with duvets slipping off duvet covers. -Do you wake up at night freezing because you've shifted the duvet cover and the duvet has rolled to the edge. -Do you struggle every morning to get the duvet cover over the duvet, especially over weighted blankets.• You don't need to worry: The lock is made and tested to hold up to the wildest sleepers.• Easy to use: Use the needle to go through the duvet, it pushes the neat \"mushroom\" into the needle. It has stepless locking so you can choose how compressed you want it.• Now we have this robust solution !!!!• Made of robust plastic, with smooth edges, safe and non-toxic, and made to last a long time.