Another way a Krag-Jorgensen rifle could be used - Hazing at West Point as investigated in 1899. Who'd a thunk it. Starts on page 1845.
https://books.google.com/books?id=xzxUAAAAIAAJ&pg=PA1848&dq=krag+jorgensen+rain&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwivn5uv18DmAhWKK80KHW1gAZo4ChDoATADegQIABAC#v=onepage&q=krag%20jorgensen%20rain&f=false