Commodore 1351
The Commodore 1351 is a computer mouse made by Commodore in 1986 , which can be directly plugged into the 9-pin control port of a Commodore 64 or 128 . 
<triplet> Commodore 1351 <subj> computer mouse <obj> instance of <subj> Commodore <obj> manufacturer <subj> Commodore 64 <obj> platform <triplet> Commodore <subj> Commodore 64 <obj> product or material produced <triplet> Commodore 64 <subj> Commodore <obj> manufacturer <subj> 128 <obj> followed by <triplet> 128 <subj> Commodore <obj> manufacturer