Add a large, clear ice cube to a rocks glass while you make the cocktail.
Muddle pear, cinnamon, cloves, nutmeg, and brown sugar together in a shaking tin.
Add bourbon and lemon juice and dry shake until well combined.
Double strain. Add egg white and ice and shake vigorously until chilled.
Strain out the ice and dry shake to whip the egg white.
Pour into the rocks glass.
Using a barspoon, carefully float the red wine by putting the spoon into the drinking and slowly pouring the wine down the swizzled edges.
Add a dehydrated pear to garnish and enjoy!