The Effect

Defend  Yourselves: Wim Hof Basics

Wim Hof has found a clear path to ultimate self-improvement and hes happy to show us the way. Arm yourselves and optimize your immune system with this PROVEN WEAPON of self-defense and life enhacnement!  Read More →


ROCK ON.  Read More →

Slinging Rocks: The Heritage Cup 2020

Slinging basics lesson and Some wordsin for the past, presnet, and future of Guam slinging and its conection to the 500th year anniversary commemoration of Pacific Islad mass contact with European Explorers  Read More →

Tir de Fona Internacionale- 7th International Slinging Competition in Mallorca 2020.

Held the same weekend as The Heritage Cup in Guam last weeekend– Here is A quick video of the 7th International Slinging Competition in Mallorca 2020. The videos and photos used here have been collected together from a variety of sources  Read More →

The Heritage Cup 2020

          Early-day Spanish explorers have at several times documented stone slinging competitions built within village gatherings  in Guam. Since 2017, local stone slingers gathered throughout the island have brought it back. For this first segment of our 3 event series– From February 29th til March 2nd, ACHO Marianas... [Read more of this review]


Stone slinging is an indigenous martial art with the ancestors of the Mariana Islands. Long suffocated with the Spanish colonization almost 500 years ago–Sling-stone artifacts are still found or “received”. Buried in the ground, underwater, or sonetimes even in plain sight above surface–Sling-stone gifts have been digested as... [Read more of this review]

HITA TALKS: Guam Slinging Conversation

Shortly after a performance at the Tir de Fona Internacionale, members of Acho Marianas Guam engage in The University of Guam’s HITA TALKS  with Carlos Madrid of the Micronesian Area Reseach Center for a conversation through the past, present, and future of Guam Slinging and its role int he 500 year anniversary and commemoration of Guams first... [Read more of this review]

House of TAGA Tinian TANK. In Store & Online

                    Houses of the Ancients Latte structures are stone archaeological remains unique to the Mariana Islands. A stone pillar supports a hemispherical capstone to form a latte. The ancient CHamorus generally arranged latte in two parallel rows of four or more pairs to support their important... [Read more of this review]


Not many people know this, but most of Fokai;s Bali made products are handcrafted. Very slight occasional size differences are only as inevitable as human error. Heres a quickview of a piece of the process before the final touches  Read More →


News 10 schools compete in sling event Tuesday, April 30th 2019, 1:58 PM ChST By Dave Delgado Image 10 schools were represented at the first of many sling competitions to hopefully be part of GDOE and their Chamorro activities. The slinging went down at the Tiyan Softball Field with targets set up at different distances for elementary, middle and high... [Read more of this review]

What is a sling?

What is a sling? The sling was likely mankind’s first, true projectile weapon. It generally consists of two cords and a pouch. These cords are held in one hand and a projectile is placed in the pouch. The length of the sling provides greater mechanical advantage than one’s arms. Projectiles can be slung over 1500 feet (450m) at speeds exceeding... [Read more of this review]

Kid Yamamoto: a Hero’s Hero. RIP KID!

Japanese legend Norifumi Yamamoto, the one-time pound-for-pound king, passed away this week from cancer. The bafflingly named Hero’s was launched in 2005 as an offshoot of the great kickboxing promotion, K-1. An ultra successful crossover event with PRIDE FC in 2002 had left the K-1 big wigs thinking that they had better start working their way... [Read more of this review]

Sling (weapon) from Wikipedia

Home-made sling Home-made sling A sling is a projectile weapon typically used to throw a blunt projectile such as a stone, clay, or lead “sling-bullet”. It is also known as the shepherd’s sling. Someone who specialises in using slings is called a slinger. A sling has a small cradle or pouch in the middle of two... [Read more of this review]

Guam slingers compete in international tournament in Spain

About six months ago, Christian Sam Wirk of Austria turned the heads of our small group of stone slingers when he said there would be an international slinging tournament in Spain. When he told us three months later that it coincided with the launch day of Chamorro month, that sealed the deal. As people of the only flag in the world that bears a sling... [Read more of this review]

Demetrius Might Mouse Johnson. Soul of a Champion

Soul of a champion: This past weekend saw one of the greatest UFC champions ever lose his belt in an extraordinarily close bout after a record eleven title defenses. This post is not about the match, how it should have been scored or whether Demetrious Johnson is the best pound for pound fighter in the world. This is just about how we all can improve... [Read more of this review]