Pram toys VS crib mobile VS Crib & Playpen Toys

This is critical to classified the toys items before making the judgement on the safety requirement.

For example, the pram toys to US market, should the pram toys comply to below two clauses?

5.5 Crib and Playpen Toys—This requirement is applicable to toys intended to be strung across a crib or playpen by means of string, cord, elastic, or straps (including, but not limited to, crib exercisers, crib gyms, and activity toys).


5.6 Mobiles—This section addresses all mobiles intended to be attached to a crib, playpen, wall, or ceiling.

This question is indeed on the definition on each wording, by refering to:
http://www.cpsc.gov/cpscpub/pubs/202.pdf

Both of Clause 5.5 and 5.6 are not required.