- $26.99Harrison Howard Soft Stretchy Machine Washable Equestrian Riding Helmet Cover Classic Sleek Velvet Piano BlackAmazon
- $19.99Harrison Howard Soft Stretchy Machine Washable Equestrian Riding Helmet Cover Classic Sleek Velvet Olive GreenAmazon
- $19.99Harrison Howard Soft Stretchy Machine Washable Equestrian Riding Helmet Cover Classic Sleek Velvet Deep VioletAmazon
- $17.99Harrison Howard Lightweight Dust Prevention Machine Washable Fleece Saddle Cover for Dressage-BlueAmazon
- $17.99Harrison Howard Essential Fleece Horse Saddle Cover for Dressage Horse Saddle Reliable Protection Dust Prevention Machine Washable - NavyAmazon
- $17.99Harrison Howard Essential Fleece Horse Saddle Cover for Dressage Horse Saddle Reliable Protection Dust Prevention Machine Washable - Sky BlueAmazon
- $20.99Harrison Howard Fleece Horse Saddle Cover for GP/CC Horse Saddle Cover Reliable Protection Dust Prevention Machine Washable - Sky BlueAmazon
- $63.99Harrison-Russell Geometric Machine Woven Rectangle 2' x 3' Polyester Area Rug in Brown/BeigeWayfair
- $369.99Malik Harrison Men's Nike Black Baltimore Ravens Speed Machine Elite Custom JerseyOfficial NFL Shop
- $8.01Busy Machines by David L. HarrisonBetter World Books
- $5.71The Technicolor Time Machine by Harry HarrisonBetter World Books
- $7.68The Technicolor Time Machine by Harry HarrisonBetter World Books
- $10.83Lectures on Linear Sequential Machines by M. A. HarrisonBetter World Books