Right, in case anyone is still being good boys/girls, this is an easier way to open chests/boxes/medals/ice cubes from the recent RED event. Since this is a sticky key for Windows, I guess this isn't illegal, right? 
OPTION #1
Spoiler
> Hold Left Shift + Left Alt and press NumLock
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
OPTION #2
Spoiler
> Go to the following path: Control Panel\Ease of Access\Ease of Access Center\Set up Mouse Keys
> Tick "Turn on mouse keys"
> Put mouse over ice cubes and press the "+" button near your numeric keypad
> Tick "Turn on mouse keys"
> Put mouse over ice cubes and press the "+" button near your numeric keypad
OPTION #3 (for those who doesn't have NumLock)
Spoiler
> Open On-Screen Keyboard
> Hold Left Shift + Left Alt and using your mouse, click on NumLock
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
> Hold Left Shift + Left Alt and using your mouse, click on NumLock
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
OPTION #4 (for those who doesn't have NumLock IN their On-Screen Keyboard - CR: Achromatic)
Spoiler
> Open On-Screen Keyboard
> Click on "Options" and tick "Turn on numeric keypad"
> Hold Left Shift + Left Alt and using your mouse, click on NumLock
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
> Click on "Options" and tick "Turn on numeric keypad"
> Hold Left Shift + Left Alt and using your mouse, click on NumLock
> Sticky key windows pop up, select yes
> Put mouse over ice cubes and press the "+" button near your numeric keypad
I believe this works for both Windows and Mac users.
Pressing "+" once on your keyboard = Double clicking on your mouse.
This "trick" can be used for any events on a later date, if this isn't illegit, this should totally be stickied. -self promote-
If this is deemed illegit, staff/moderators can remove it ASAP and if WP/ban will be rewarded,
Spoiler
Take me if you must
Have fun.