The arched back (hence the name "Archy")  helps to maintain a more horizontal posture during its swimming action. This has drastically reduced snags while improving its ability to maintain its range.
 
 
The sharp back section will cut through the water for an efficient initiation of action while helping to stage a strong action.
 
 
The “horizontal swim posture”, its “body shape” and the “beveled hook-eye”  drastically reduces snags and the lure picking up other trash.