EASY TO USE: For a 3-finger grip, place your thumb and index finger in the side holes, then hold the ring with your middle finger. This way, all three fingers can be held firmly. For a 2-finger grip, it will hold your thumb and index finger Pack of 15: 2 x three-finger grips (for 7.2-8.2mm diameter pencils) + 2 x two-finger grips (for 7.2-8.2mm) + 2 x five-finger grippers, 2 x grips (for 7.2-8.2mm). 8.2mm) 7-8mm) + 1 x Cartoon Pencil Grip (for 7mm diameter pencils) + 1 x Fish Head Pencil Grip (for 7-9mm diameter pencils) + 1 x Fish Head Pencil Grip (for 7-12mm pencils)/Pen/Ballpoint Pen/Gel) + 4 x Pencil Caps Design: Helps you reduce stress while allowing you to write correctly. First, use a 3-finger pencil grip, then a 2-finger grip, and finally a grip, one, or just a fish or cartoon pencil grip. In this way, it will help train or correct handwriting posture gradually and effectively Soft, Safe and Convenient: Made of TPR material, non-toxic and environmentally friendly. With regular use, they can prevent middle finger calluses and help you maintain good writing habits for a long time. Application: Suitable for pencils, pens, pencils and many drawing tools, designed for left-handed and right-handed people, children, students, adults and people with arthritis who want to learn, improve or correct their writing style