a. Every person having in his possession any pick lock, crow, key, bit, or other instrument or tool, with the intent feloniously to break or enter into any building, or who shall knowingly make or alter, or shall attempt to make or alter, any key or other instrument above named, so that the same will fit or open the lock of a building, without being requested so to do by some person having the right to open such lock, or who shall make, alter or repair any instrument or thing, knowing or having reason to believe that it is intended to be used in committing a misdemeanor or felony is guilty of a misdemeanor.

b. The possession of the above-named tools or instruments, without the possessor being able to give a satisfactory account of his possession of such tools or instruments shall be prima facie evidence of possession for an unlawful purpose. (Code 1962, § 27-8)