Mary's Difficult Day!

Putting her worries about possibly getting stuck to the back of her mind,Mary stuck her head inside the hole and after a brief struggle,her entire top half was soon inside,leaving only her hips,backside and legs sticking out as Anna struggled not to laugh or stare.
The young blond then tried to pull her lower half inside but it just refused to fit despite several minutes of pulling and wiggling.
"Anna,I need your help,could you please give me a push," said Mary .

"Of course," said Anna as she placed her back against her friends behind,her hands against the hole and pushed and pushed with all her strength while Mary pushed as the two tried for several minutes until