Sewell Development Corp. is a product-focused company specializing in design, manufacturing and a streamlined sales process. ... The company is primarily known for home theater connectivity equipment including the popular Silverback by Sewell and Deadbolt by Sewell brands of banana plugs. The company owns various brands outside of this core space including organization (MOS Organizer), toddler shoes (ikiki Shoes) and a new high-end A/V equipment brand, Salt Labs. read more