What are examples of short dough types made by co extrusion?

Examples of co extruded rope products are:  Click pictures to enlargeBiscuit_product

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Fig Rolls

Other examples are: Fig Newtons and Date rolls.

An examples of a co extruded or "encrusted" product is:

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Sablés Fourrés

Other examples are: Duncan Hines Crisp & Chewy cookies and Grisbi.

Examples of enrichment:

Samples of complete recipes may be found in Manley, D J R, (2001), Biscuit Cracker and Cookie Recipes