Yes, you need a paper shredder. We tested and found the best one | CNN Underscored

Bonsaii Paper Shredder, 5-6 Sheet Crosscut Shredder for Home Use, 3.4 Gals Wastebasket

150-Sheet Auto Feed Paper Shredder: High Security Micro Cut Shredders for Home Office, 30 Minutes Commercial Heavy Duty Shredder with 4 Casters, P-4 Security Level & 6.6 Gallon Pull-Out Bin

How to Unjam a Paper Shredder

Portable Auto Paper Shredder - Mini USB Document Cutter, Strip Cutting Machine for Office Stationery, Black

Fellowes LX220 20-Sheet Micro-Cut Shredder, Black (5015401)