Found 14 retailers starting with "K"
2.5% Cashback 
2% Cashback 
25% Cashback 
3.5% Cashback 
1.25% Cashback 
Up to 5% Cashback 
1% Cashback 
2.50% Cashback 
0.50% Cashback 
1.5% Cashback 
5.5% Cashback 
Various Cashback 
Up to 5% Cashback 
2% Cashback