This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Operative Gynaecology, Subject name: Gynaecology & Obstetrics
Which instrument is shown below? 
Select and explain. 
A. Cusco's speculum, B. Vulsellum, C. Sims Speculum, D. Vaginal Sling
B: Vulsellum
Answer: B: Vulsellum 
Explanation: Ans. (b) Vulsellum