Combine mayonnaise with ketchup.
Each layer of bread smear the resulting sauce.
On the bottom put the sausage, then cucumber, lightly compacted.
cover with a new layer of bread. Sprinkle with sausage, cheese on top.
If You need to serve sandwiches, gently tamp the top, sprinkle coconut shavings.
Coconut shavings, like all nuts, give the dish a taste, make it unique.