What are these things?

My son found these hanging in our garage, left by the previous homeowners.

Do you know what they are?

[ICO]NameLast modifiedSizeDescription
[PARENTDIR]Parent Directory  -  
[IMG]reverse-closed.jpg2015-01-12 22:12 125K 
[IMG]obverse-open.jpg2015-01-12 22:12 93K 
[IMG]angle.jpg2015-01-12 22:12 89K 
[IMG]obverse-closed.jpg2015-01-12 22:12 88K 
[IMG]tip-open.jpg2015-01-12 22:30 70K 
[IMG]rear-open.jpg2015-01-12 22:30 67K